4618969369 has 45 divisors (see below), whose sum is σ = 5765978943. Its totient is φ = 3699362016.

The previous prime is 4618969367. The next prime is 4618969373. The reversal of 4618969369 is 9639698164.

4618969369 = 5552² + 5553² + ... + 5697².

The square root of 4618969369 is 67963.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2621952025 + 1997017344 = 51205^2 + 44688^2 .

It is not a de Polignac number, because 4618969369 - 2¹ = 4618969367 is a prime.

It is a super-2 number, since 2×4618969369² = 42669756063520516322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4618969367) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 63273517 + ... + 63273589.

Almost surely, 2^4618969369 is an apocalyptic number.

4618969369 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4618969369 is the 67963-rd square number.

4618969369 is the 33982-nd centered octagonal number.

It is an amenable number.

4618969369 is a deficient number, since it is larger than the sum of its proper divisors (1147009574).

4618969369 is an frugal number, since it uses more digits than its factorization.

4618969369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 99 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 61.

The cubic root of 4618969369 is about 1665.3864522736.

The spelling of 4618969369 in words is "four billion, six hundred eighteen million, nine hundred sixty-nine thousand, three hundred sixty-nine".